Home / 263,893.29-396,388.28-213,349.44

Finding the Fourth Proportional to 263,893.29, 396,388.28 and 213,349.44

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Solution

The fourth proportional to 263,893.29, 396,388.28 and 213,349.44 is: 320,467.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,893.29 : 396,388.28 = 213,349.44 : x
  2. Step 2: Convert to fraction form
    263,893.29/396,388.28 = 213,349.44/x
  3. Step 3: Cross multiply
    263,893.29x = 396,388.28 × 213,349.44
  4. Step 4: Simplify right side
    263,893.29x = 84,569,219,580.39
  5. Step 5: Solve for x
    x = 84,569,219,580.39/263,893.29
  6. Step 6: Final answer
    x = 320,467.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.